Contents
- Weather in May
- Frequently asked questions
- Average temperature in May
- Average pressure in May
- Average wind speed in May
- Average humidity in May
- Average rainfall in May
- Average rainfall days in May
- Average snowfall in May
- Average snowfall days in May
- Average daylight in May
- Average sunshine in May
- Average sunshine days in May
- Average UV index in May
- Average cloud cover in May
- Average visibility in May
Weather in May
Temperature
The beginning of May marks a minor shift in the average high-temperature, moving from April's frosty 6.1°C (43°F) to a fresh 10.6°C (51.1°F). Recording a slight decline in temperature during the nights, Grisslehamn's May temperatures average at a frosty 6.6°C (43.9°F).Humidity
May is the least humid month in Grisslehamn, with an average relative humidity of 76%.Rainfall
In Grisslehamn, during May, the rain falls for 12.3 days and regularly aggregates up to 29mm (1.14") of precipitation. In Grisslehamn, Sweden, during the entire year, the rain falls for 132.8 days and collects up to 348mm (13.7") of precipitation.Snowfall
Months with snowfall are January through May, October through December. May is the last month it regularly snows in Grisslehamn, Sweden. During 0.5 snowfall days, in May, Grisslehamn aggregates 9mm (0.35") of snow. Throughout the year, in Grisslehamn, Sweden, there are 46.3 snowfall days, and 244mm (9.61") of snow is accumulated.Daylight
In Grisslehamn, the average length of the day in May is 17h and 13min.On the first day of May in Grisslehamn, sunrise is at 04:40 and sunset at 20:43. On the last day of the month, sunrise is at 03:33 and sunset at 21:51 CEST.
Sunshine
In Grisslehamn, the average sunshine in May is 9.9h.UV index
In Grisslehamn, the average daily maximum UV index in May is 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV radiation for the average person.Note: In May, the maximum UV index of 3 translates into these guidelines:
Undertake precautions - Guarding against sun damage is counselled. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Frequently asked questions
What are the temperatures in Grisslehamn in May?
What is the least humid month in Grisslehamn?
What is the average humidity in May in Grisslehamn?
How many days does it rain in May in Grisslehamn?
What is the last month it snows in Grisslehamn?
What is the average length of the day in May in Grisslehamn?
What time are sunrise and sunset in May in Grisslehamn?
How many hours of sunshine does Grisslehamn have in May?
How high is the UV index in May in Grisslehamn?
Average temperature in May
Grisslehamn, Sweden
- Average high temperature in May: 10.6°C
The warmest month (with the highest average high temperature) is August (18.8°C).
The month with the lowest average high temperature is February (0.1°C).
- Average low temperature in May: 6.6°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (-2.5°C).
Average pressure in May
Grisslehamn, Sweden
- Average pressure in May: 1014.8mbar
The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1007.1mbar).
Average wind speed in May
Grisslehamn, Sweden
- Average wind speed in May: 17.1km/h
The windiest month (with the highest average wind speed) is December (24.3km/h).
The calmest month (with the lowest average wind speed) is July (16.3km/h).
Average humidity in May
Grisslehamn, Sweden
- Average humidity in May: 76%
The month with the highest relative humidity is February (86%).
The month with the lowest relative humidity is May (76%).
Average rainfall in May
Grisslehamn, Sweden
- Average rainfall in May: 29mm
The wettest month (with the highest rainfall) is July (50mm).
The driest month (with the least rainfall) is April (15mm).
Average rainfall days in May
Grisslehamn, Sweden
- Average rainfall days in May: 12.3 days
The month with the highest number of rainy days is August (16.2 days).
The month with the least rainy days is February (4.8 days).
Average snowfall in May
Grisslehamn, Sweden
- Average snowfall in May: 9mm
The month with the highest snowfall is March (65mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in May
Grisslehamn, Sweden
- Average snowfall days in May: 0.5 days
The month with the highest number of snowfall days is January (10.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in May /
Average sunshine in May
Grisslehamn, Sweden
- Average daylight in May: 17h and 1min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).
- Average sunshine in May: 9h and 5min
The month with the most sunshine is June (Average sunshine: 12h and 48min).
The month with the least sunshine is December (Average sunshine: 2h and 30min).
Average sunshine days in May
Grisslehamn, Sweden
- Average sunshine days in May: 16.3 days
The months with the most sunshine days are April and May (16.3 days).
The month with the least sunshine days is December (11.5 days).
Average UV index in May
Grisslehamn, Sweden
- Average UV index in May: 3
The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January and February (UV index 1).
Average cloud cover in May
Grisslehamn, Sweden
- Average cloud cover in May: 40
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in May
Grisslehamn, Sweden
- Average visibility in May: 10km
The months with the highest visibility are May, June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, November and December (9km).
Grisslehamn, Sweden
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